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Protactinium

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Protactinium,  91Pa
Ki-pún sèng-chit
Miâ, hû-hō protactinium, Pa
Gōa-hêng bright, silvery metallic luster
Protactinium tī chiu-kî-piáu lāi ê ūi-tì
Chúi-sò͘ (siang-goân-chú hui-kim-sio̍k)
Helium (hi-iú khì-thé)
Lithium (kiⁿ-kim-sio̍k)
Beryllium (kiⁿ-thó͘ kim-sio̍k)
Phêng-sò͘ (lūi-kim-sio̍k)
Thoàⁿ-sò͘ (to-goân-chú hui-kim-sio̍k)
Chek-sò͘ (siang-goân-chú hui-kim-sio̍k)
Sng-sò͘ (siang-goân-chú hui-kim-sio̍k)
Hut-sò͘ (siang-goân-chú hui-kim-sio̍k)
Ne-óng (hi-iú khì-thé)
Natrium (kiⁿ-kim-sio̍k)
Magnesium (kiⁿ-thó͘ kim-sio̍k)
A-lú-mih (pîn-kim-sio̍k)
Ke-sò͘ (lūi-kim-sio̍k)
Lîn (to-goân-chú hui-kim-sio̍k)
Liû-hông (to-goân-chú hui-kim-sio̍k)
Iâm-sò͘ (siang-goân-chú hui-kim-sio̍k)
Argon (hi-iú khì-thé)
Kalium (kiⁿ-kim-sio̍k)
Khā-lú-siúm (kiⁿ-thó͘ kim-sio̍k)
Scandium (kòe-tō͘ kim-sio̍k)
Titanium (kòe-tō͘ kim-sio̍k)
Vanadium (kòe-tō͘ kim-sio̍k)
Chromium (kòe-tō͘ kim-sio̍k)
Manganese (kòe-tō͘ kim-sio̍k)
Thih (kòe-tō͘ kim-sio̍k)
Cobalt (kòe-tō͘ kim-sio̍k)
Nickel (kòe-tō͘ kim-sio̍k)
Tâng (kòe-tō͘ kim-sio̍k)
A-iân (kòe-tō͘ kim-sio̍k)
Gallium (pîn-kim-sio̍k)
Germanium (lūi-kim-sio̍k)
Phi-sò͘ (lūi-kim-sio̍k)
Selenium (to-goân-chú hui-kim-sio̍k)
Chhàu-sò͘ (siang-goân-chú hui-kim-sio̍k)
Krypton (hi-iú khì-thé)
Rubidium (kiⁿ-kim-sio̍k)
Strontium (kiⁿ-thó͘ kim-sio̍k)
Yttrium (kòe-tō͘ kim-sio̍k)
Zirconium (kòe-tō͘ kim-sio̍k)
Niobium (kòe-tō͘ kim-sio̍k)
Molybdenum (kòe-tō͘ kim-sio̍k)
Technetium (kòe-tō͘ kim-sio̍k)
Ruthenium (kòe-tō͘ kim-sio̍k)
Rhodium (kòe-tō͘ kim-sio̍k)
Palladium (kòe-tō͘ kim-sio̍k)
Gîn (kòe-tō͘ kim-sio̍k)
Cadmium (kòe-tō͘ kim-sio̍k)
Indium (pîn-kim-sio̍k)
Siah (pîn-kim-sio̍k)
Antimony (lūi-kim-sio̍k)
Tellurium (lūi-kim-sio̍k)
Ak-sò͘ (siang-goân-chú hui-kim-sio̍k)
Xenon (hi-iú khì-thé)
Caesium (kiⁿ-kim-sio̍k)
Barium (kiⁿ-thó͘ kim-sio̍k)
Lanthanum (lanthanum-hē)
Cerium (lanthanum-hē)
Praseodymium (lanthanum-hē)
Neodymium (lanthanum-hē)
Promethium (lanthanum-hē)
Samarium (lanthanum-hē)
Europium (lanthanum-hē)
Gadolinium (lanthanum-hē)
Terbium (lanthanum-hē)
Dysprosium (lanthanum-hē)
Holmium (lanthanum-hē)
Erbium (lanthanum-hē)
Thulium (lanthanum-hē)
Ytterbium (lanthanum-hē)
Lutetium (lanthanum-hē)
Hafnium (kòe-tō͘ kim-sio̍k)
Tantalum (kòe-tō͘ kim-sio̍k)
Wolfram (kòe-tō͘ kim-sio̍k)
Rhenium (kòe-tō͘ kim-sio̍k)
Osmium (kòe-tō͘ kim-sio̍k)
Iridium (kòe-tō͘ kim-sio̍k)
Pe̍h-kim (kòe-tō͘ kim-sio̍k)
Kim (kòe-tō͘ kim-sio̍k)
Chúi-gîn (kòe-tō͘ kim-sio̍k)
Thallium (pîn-kim-sio̍k)
Iân (pîn-kim-sio̍k)
Bismuth (pîn-kim-sio̍k)
Polonium (pîn-kim-sio̍k)
Astatine (lūi-kim-sio̍k)
Radon (hi-iú khì-thé)
Francium (kiⁿ-kim-sio̍k)
Radium (kiⁿ-thó͘ kim-sio̍k)
Actinium (actinium-hē)
Thorium (actinium-hē)
Protactinium (actinium-hē)
Uranium (actinium-hē)
Neptunium (actinium-hē)
Plutonium (actinium-hē)
Americium (actinium-hē)
Curium (actinium-hē)
Berkelium (actinium-hē)
Californium (actinium-hē)
Einsteinium (actinium-hē)
Fermium (actinium-hē)
Mendelevium (actinium-hē)
Nobelium (actinium-hē)
Lawrencium (actinium-hē)
Rutherfordium (kòe-tō͘ kim-sio̍k)
Dubnium (kòe-tō͘ kim-sio̍k)
Seaborgium (kòe-tō͘ kim-sio̍k)
Bohrium (kòe-tō͘ kim-sio̍k)
Hassium (kòe-tō͘ kim-sio̍k)
Meitnerium (hoà-ha̍k sèng-chit iáu boē hiáu)
Darmstadtium (hoà-ha̍k sèng-chit iáu boē hiáu)
Roentgenium (hoà-ha̍k sèng-chit iáu boē hiáu)
Copernicium (kòe-tō͘ kim-sio̍k)
Nihonium (hoà-ha̍k sèng-chit iáu boē hiáu)
Flerovium (pîn-kim-sio̍k)
Moscovium (hoà-ha̍k sèng-chit iáu boē hiáu)
Livermorium (hoà-ha̍k sèng-chit iáu boē hiáu)
Tennessine (hoà-ha̍k sèng-chit iáu boē hiáu)
Oganesson (hoà-ha̍k sèng-chit iáu boē hiáu)
Pr

Pa

(Uqt)
thoriumprotactiniumuranium
Goân-chú-hoan 91
Goân-chú-liōng (±) 231.03588(2)[1]
Goân-sò͘ lūi-pia̍t   actinium-hē
Cho̍k, hun-khu n/a, f khu
Chiu-kî tē 7 chiu-kî
Tiān-chú pâi-lia̍t [Rn] 5f2 6d1 7s2
per shell 2, 8, 18, 32, 20, 9, 2
Bu̍t-lí sèng-chit
Siòng solid
Iûⁿ-tiám 1841 K ​(1568 °C, ​2854 °F)
Hut-tiám 4300 K ​(4027 °C, ​7280 °F) (?)
Bi̍t-tō͘  (sek-un) 15.37 g·cm−3
Iûⁿ-hoà-jia̍t 12.34 kJ·mol−1
Cheng-hoat-jia̍t 481 kJ·mol−1
Goân-chú sèng-chit
Sng-hòa-sò͘ 2, 3, 4, 5 ​(a weakly basic oxide)
Tiān-hū-tō͘ Pauling scale: 1.5
Tiān-lī-lêng 1st: 568 kJ·mol−1
Goân-chú pòaⁿ-kèng empirical: 163 pm
Kiōng-kè pòaⁿ-kèng 200 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chōtetragonal[2]
Tetragonal crystal structure for protactinium
Jia̍t-phòng-tiòng ~9.9 µm·m−1·K−1[3] (at r.t.)
Jia̍t-thoân-tō-lu̍t 47 W·m−1·K−1
Tiān-chó͘-lu̍t 177 nΩ·m (at 0 °C)
Chû-sèng paramagnetic[4]
CAS teng-kì pian-hō 7440-13-3
Le̍k-sú
Chhui-chhek Dmitri Mendeleev (1869)
Hoat-hiān kap siōng chá ê tông-ūi-sò͘ William Crookes (1900)
 hō-miâ Otto Hahn and Lise Meitner (1917–8)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: protactinium ê tông-ūi-sò͘
iso NA half-life DM DE (MeV) DP
229Pa syn 1.5 d ε 0.311 229Th
230Pa syn 17.4 d ε 1.310 230Th
231Pa 100% 3.276×104 y α 5.150 227Ac
232Pa syn 1.31 d β 1.337 232U
233Pa trace 26.967 d β 0.5701 233U
234Pa trace 6.75 h β 2.195 234U
234mPa trace 1.17 min β 2.29 234U

Protactinium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 91, hoà-ha̍k hû-hō sī Pa.

  1. Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
  2. Donohue, J. (1959). "On the crystal structure of protactinium metal". Acta Crystallographica. 12 (9): 697. doi:10.1107/S0365110X59002031. 
  3. Cverna, Fran, pian. (2002). "Chapter 2. Thermal Expansion". ASM Ready Reference: Thermal Properties of Metals (PDF). ASM International. p. 11. ISBN 0871707683. 
  4. Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. Archived from the original on 2011-03-03. 2016-06-11 khòaⁿ--ê. 
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